Implemented Custom role and permissions (#1057)

* Implemented Custom role and permissions

* Converted permissions columns to a json blob

* Code review fixes for Permissions

* sql build fix

* Update Permissions.cs

* formatting

* Update IOrganizationService.cs

* reworked a conditional

* built out tests for relevant organization service methods

* removed unused usings

* fixed a broken test and a bad empty string init

* removed 'Attribute' from some attribute instances

src/Sql/dbo/Stored Procedures/OrganizationUser_Create.sql

@@ -9,7 +9,8 @@
     @AccessAll BIT,
     @ExternalId NVARCHAR(300),
     @CreationDate DATETIME2(7),
-    @RevisionDate DATETIME2(7)
+    @RevisionDate DATETIME2(7),
+    @Permissions NVARCHAR(MAX)
 AS
 BEGIN
     SET NOCOUNT ON
@@ -26,7 +27,8 @@ BEGIN
         [AccessAll],
         [ExternalId],
         [CreationDate],
-        [RevisionDate]
+        [RevisionDate],
+        [Permissions]
     )
     VALUES
     (
@@ -40,6 +42,7 @@ BEGIN
         @AccessAll,
         @ExternalId,
         @CreationDate,
-        @RevisionDate
+        @RevisionDate,
+        @Permissions
     )
-END
+END